Add openssl include dir

cpp/cmake_modules/FindOpenSSLAlt.cmake

@@ -37,4 +37,9 @@ if (NOT GANDIVA_OPENSSL_LIBS)
     else()
         set(GANDIVA_OPENSSL_LIBS OpenSSL::Crypto OpenSSL::SSL)
     endif()
-endif ()
+endif ()
+
+if (NOT GANDIVA_OPENSSL_INCLUDE_DIR)
+    set(GANDIVA_OPENSSL_INCLUDE_DIR ${OPENSSL_INCLUDE_DIR})
+    message(STATUS "OpenSSL include dir: ${GANDIVA_OPENSSL_INCLUDE_DIR}")
+endif()

cpp/src/gandiva/CMakeLists.txt

@@ -137,6 +137,7 @@ add_arrow_lib(gandiva
               precompiled
               EXTRA_INCLUDES
               $<TARGET_PROPERTY:LLVM::LLVM_INTERFACE,INTERFACE_INCLUDE_DIRECTORIES>
+              ${GANDIVA_OPENSSL_INCLUDE_DIR}
               SHARED_LINK_FLAGS
               ${GANDIVA_SHARED_LINK_FLAGS}
               SHARED_LINK_LIBS
@@ -237,7 +238,8 @@ add_gandiva_test(internals-test
                  ${GANDIVA_OPENSSL_LIBS}
                  EXTRA_INCLUDES
                  $<TARGET_PROPERTY:LLVM::LLVM_INTERFACE,INTERFACE_INCLUDE_DIRECTORIES>
-                 ${GANDIVA_INTERNALS_TEST_ARGUMENTS})
+                 ${GANDIVA_INTERNALS_TEST_ARGUMENTS}
+                 ${GANDIVA_OPENSSL_INCLUDE_DIR})
 
 if(ARROW_GANDIVA_JAVA)
   add_subdirectory(jni)